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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 28, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating Leases        
Commitments under operating leases, 2016   $ 3,763    
Commitments under operating leases, 2017   3,755    
Commitments under operating leases, 2018   3,784    
Commitments under operating leases, 2019   3,526    
Commitments under operating leases, 2020   3,018    
Commitments under operating leases, Thereafter   3,659    
Commitments under operating leases, Total   21,505    
Minimum payments due on minimum sublease rentals under non-cancelable subleases   248    
Rent expense included in occupancy expense   4,200 $ 4,200 $ 3,300
Visa Inc.        
Loss Contingencies [Line Items]        
Balance of escrow account for legal settlements maintained by Visa   $ 1,000,000    
Visa Inc. | Subsequent event        
Loss Contingencies [Line Items]        
Settlements reached by percentage of sales volume of merchants who opted out (percent) in Visa litigation 49.00%      
Estimated amount due to class plaintiffs in Visa litigation $ 4,000,000